A Small Business Network Security Survey

Many of today's small businesses use PCs and aExperienced Threats:
server network to facilitate their operations. ImportantThe respondents reported on security lapses or
company information is stored in electronic format onattacks that they'd experienced over the last year.
these networks, and daily operations are dependent onThe survey showed that Trojan horses or virus
the network being both available and secure. In manyattacks are the most common threat to the network,
cases, these small businesses ignore or are unawarewith about half reporting experiences with these issues
of the risks that could compromise the safety of thein that time. The larger companies reported at 40%,
data. To better understand these issues, two hundredthe lowest rate, which is indicative of better defenses.
of these small businesses were interviewed aboutOver 60% of the smallest companies reported
their network security. Companies ranged from thosevirus-based attacks.
with ten employees or less, to those with over aLoss of company information from theft or loss of
hundred staff members.storage devices appeared to be a minor threat for
Over half of the survey respondents believed thatsmaller companies, but this risk increases with
their network was adequately safe or very secure. Acompany size. Over 33% of the larger firms reported
large number of respondents did admit that theythis sort of experience. Hacker attacks were most
doubted their defenses against an attack. This isn't toooften experienced by firms with less than ten
surprising, as nearly all businesses have experiencedemployees and those with over a hundred. It seems
some type of security threat in the last year, from lostthe smaller networks are more vulnerable, and the
computers or back-up takes, hacker attacks, viruses,largest ones are high-profile, with a greater chance of
or theft by employees.becoming a target. Unfortunately, staff members can
The top three threats reported were:create a security risk themselves; about 10% of
1) Trojan horse or virus attacksbusinesses reported that they had experienced
2) Stolen or lost computers, including data storageunauthorized access or theft in the allotted time frame.
devicesDevices and Procedures:
3) Employee theft or hacker attackGood procedures, processes and systems can help
Company defenses reported include:defend against security threats. In the survey,
1) Virus Protectionrespondents were asked which security methods
2) Firewallwere in use. Most reported that they had virus
3) Spyware Protectionprotection and firewalls. Around 25% lacked spam
4) Spam Filtersfilters and spyware removal, leaving networks open to
Recommendations:malware which ranges from dangerous to annoying.
Most companies reported that they lacked a smartUnder 50% have patch management or a smart
password policy, automated patch management, andpassword policy in place. This smart password system
employee network use policies. Generally, many ofuses passwords with a mixture of normal and special
these businesses don't have full protection against ancharacters which are frequently changed.
attack, and have not yet had to put their defenses toAs compared to the largest companies surveyed,
the test.smaller businesses are less-often implementing
There isn't one single fix to ensure secure continuity ofnetwork use policies for employees. Over 80% of the
operations on a network. However, we recommend alarger companies have defined guidelines for proper
layered approach in managing these pressing securityand improper network use. These guidelines attempt
threats. This layered approach examines vulnerability into lower the amount of network activity unrelated to
different areas including hardware, software,the business, which result in increased security risk.
processes, and training. Every layer added anotherMany of the respondents use wireless networks.
level of protection to the information environment.Wireless networks are some of the most vulnerable
1) Blocking network-based attacksaccess points if not well-secured. Only a few
2) Blocking host-based attackscompanies reported that they use all the top-priority
3) Eliminating vulnerabilitysecurity measures listed in the survey.
4) Supporting authorized users safelyTesting:
5) Tools for maximizing effectiveness and minimizingNo security device or feature can be known to
lossesprovide real defense until it's been tested. Anti-virus
To assure the continuity of your business operations,specifications could be out of date, a hole could exist
regular testing of these security measures is required.within a firewall, or staff members could not be using
Level of Overall Security:the correct practices for a safe and secure network.
Over half the respondents stated that they thoughtAbout 25% of respondents indicated that either they
their network was secure enough or better. 30% ofcouldn't remember the last time they tested their
the remainder thought their network was onlysecurity, or didn't know that they ever had. This seems
somewhat secure, and over 10% confided that theirto indicate that while many have implemented security
network was not as secure as it should be.defenses, they can't be assured that the expected
These small businesses tend to believe that theirprotection is actually provided.
network is relatively secure: 63% of businesses withThe very smallest companies least-often tested their
less than ten employees and almost 75% of thosesecurity measures. About 10% of businesses had
with between eleven and twenty-five staff members.tested security, but not for over a year. As the threats
The larger companies were not as sure of theirchange over time, dangerous lapses can occur without
defenses, with over half of those with fifty to oneperiodic testing. Around 33% of respondents reported
hundred and 44% of those with over a hundredthat they'd tested their security measures within the
employees felt secure or secure enough. In thelast month. Validation of network security elements on
fifty-one to one hundred staff category, over 20%a regular basis is important to system integrity in an
reported that the network was not as secure asoverall continuity plan. It is unfortunate that usually a
should be. In general, the bigger the company, thecompany only examines its level of exposure after a
larger the network - and the greater the number ofdamaging event which negatively affects the business.
security risks it must defend against.